activity
20242026
most citedOccamy: A 432-Core Dual-Chiplet Dual-HBM2E 768-DP-GFLOP/s RISC-V System for 8-to-64-bit Dense and Sparse Computing in 12nm FinFET

13 citations · 25 across the 21 of their papers we have counts for

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Showing 2025Show all

10 papers · 1 filter

cs.AR2025

Toward Open-Source Chiplets for HPC and AI: Occamy and Beyond

Paul Scheffler, Thomas Benz, Tim Fischer +3

We present a roadmap for open-source chiplet-based RISC-V systems targeting high-performance computing and artificial intelligence, aiming to close the performance gap to proprieta…

cs.AR2025

Towards Zero-Stall Matrix Multiplication on Energy-Efficient RISC-V Clusters for Machine Learning Acceleration

Luca Colagrande, Lorenzo Leone, Maximilian Coco +2

The growing computational demands of machine learning (ML) workloads have driven the design of ML accelerators aiming at an optimal tradeoff between efficiency and flexibility. A w…

cs.AR2025★ 6 cited

Ramping Up Open-Source RISC-V Cores: Assessing the Energy Efficiency of Superscalar, Out-of-Order Execution

Zexin Fu, Riccardo Tedeschi, Gianmarco Ottavi +4

Open-source RISC-V cores are increasingly demanded in domains like automotive and space, where achieving high instructions per cycle (IPC) through superscalar and out-of-order (OoO…

cs.AR2025

CVA6S+: A Superscalar RISC-V Core with High-Throughput Memory Architecture

Riccardo Tedeschi, Gianmarco Ottavi, Côme Allart +11

Open-source RISC-V cores are increasingly adopted in high-end embedded domains such as automotive, where maximizing instructions per cycle (IPC) is becoming critical. Building on t…

cs.AR2025

SpikeStream: Accelerating Spiking Neural Network Inference on RISC-V Clusters with Sparse Computation Extensions

Simone Manoni, Paul Scheffler, Luca Zanatta +3

Spiking Neural Network (SNN) inference has a clear potential for high energy efficiency as computation is triggered by events. However, the inherent sparsity of events poses challe…

cs.AR2025

Late Breaking Results: A RISC-V ISA Extension for Chaining in Scalar Processors

Luca Colagrande, Jayanth Jonnalagadda, Luca Benini

Modern general-purpose accelerators integrate a large number of programmable area- and energy-efficient processing elements (PEs), to deliver high performance while meeting stringe…

cs.AR2025★ 2 cited

Dual-Issue Execution of Mixed Integer and Floating-Point Workloads on Energy-Efficient In-Order RISC-V Cores

Luca Colagrande, Luca Benini

To meet the computational requirements of modern workloads under tight energy constraints, general-purpose accelerator architectures have to integrate an ever-increasing number of…

cs.AR2025★ 1 cited

A Multicast-Capable AXI Crossbar for Many-core Machine Learning Accelerators

Luca Colagrande, Luca Benini

To keep up with the growing computational requirements of machine learning workloads, many-core accelerators integrate an ever-increasing number of processing elements, putting the…

cs.OH2025

ArtistIC: An Open-Source Toolchain for Top-Metal IC Art and Ultra-High-Fidelity GDSII Renders

Thomas Benz, Paul Scheffler, Nils Wistoff +3

Open-source projects require outreach material to grow their community, secure funds, and strengthen their influence. Numbers, specifications, and facts alone are intangible to uni…

cs.AR2025★ 13 cited

Occamy: A 432-Core Dual-Chiplet Dual-HBM2E 768-DP-GFLOP/s RISC-V System for 8-to-64-bit Dense and Sparse Computing in 12nm FinFET

Paul Scheffler, Thomas Benz, Viviane Potocnik +12

ML and HPC applications increasingly combine dense and sparse memory access computations to maximize storage efficiency. However, existing CPUs and GPUs struggle to flexibly handle…